Deborah Gaebler-Spira, MD a, b, ⁎ , Lisa S Thornton, MD c, d, e
a Northwestern University, Feinberg School of Medicine, 303 East Chicago, Chicago, IL 60611, USA
b Pediatric Rehabilitation Program, Rehabilitation Institute of Chicago, 345 E. Superior Street, Chicago, IL 60611, USA
c Department of Orthopedics & Rehabilitation, University of Chicago, Pritzker School of Medicine, 1401 S. California, Chicago, IL 60608, USA
d Department of Pediatrics, University of Chicago, Pritzker School of Medicine, 1401 S. California, Chicago, IL 60608, USA
e Pediatric and Adolescent Rehabilitation Program, Schwab Rehabilitation Hospital and LaRabida Children's Hospital, Chicago, IL, USA